That publishers have been approaching Alex Rodriguez with multimillion-dollar offers for a tell-all book . . . THAT Consuelo Vanderbilt Costin celebrated her 25A magazine cover at Pine Hollow Country Club with Michelle-Marie Heinemann, Elaine Sargent and Michele Gerber Klein . . . THAT Cindy Barshop and Joey Healy will launch The Browshop at Completely Bare with previews today . . . THAT “Real Housewife” Adriana de Moura was overheard at O’live Organic Spa saying she was prepping for an upcoming PETA ad.